Speaker



FIG. 1 is a perspective view of a speaker of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a cross-sectional view thereof, corresponding to 8-8 of FIG. 2.

The broken lines shown in the figures are included for the purpose of illustrating portions of the speaker that form no part of the claimed design. 

The ornamental design for a speaker, as shown and described. 